cmake_minimum_required(VERSION 3.8)
project(use_create_msg)

if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID MATCHES "Clang")
  add_compile_options(-Wall -Wextra -Wpedantic)
endif()

# find dependencies
find_package(ament_cmake REQUIRED)
find_package(rclcpp REQUIRED)
find_package(std_msgs REQUIRED)
find_package(rosidl_default_generators REQUIRED)
rosidl_generate_interfaces(${PROJECT_NAME}
  "msg/Test8.msg"
  DEPENDENCIES std_msgs  # Add packages that above messages depend on, in this case geometry_msgs for Sphere.msg
)
ament_export_dependencies(rosidl_default_runtime)

add_executable(1_topic_public src/1_topic_public.cc)
ament_target_dependencies(1_topic_public rclcpp std_msgs)

#方法1
# rosidl_target_interfaces(1_topic_public
#   ${PROJECT_NAME} "rosidl_typesupport_cpp")

#方法2
rosidl_get_typesupport_target(cpp_typesupport_target ${PROJECT_NAME} "rosidl_typesupport_cpp")
target_link_libraries(1_topic_public "${cpp_typesupport_target}") 

# 获取目标链接库列表
get_target_property(LINKED_LIBS ${cpp_typesupport_target} LINK_LIBRARIES)
# 遍历链接库列表并打印相关信息
foreach(lib ${LINKED_LIBS})
  message("liuj Linked library: ${lib}")
endforeach()

install(TARGETS
  1_topic_public
  DESTINATION lib/${PROJECT_NAME})

if(BUILD_TESTING)
  find_package(ament_lint_auto REQUIRED)
  # the following line skips the linter which checks for copyrights
  # comment the line when a copyright and license is added to all source files
  set(ament_cmake_copyright_FOUND TRUE)
  # the following line skips cpplint (only works in a git repo)
  # comment the line when this package is in a git repo and when
  # a copyright and license is added to all source files
  set(ament_cmake_cpplint_FOUND TRUE)
  ament_lint_auto_find_test_dependencies()
endif()

ament_package()
